Create 3 boxes using div tags. (The values below are width by height). A red box that is 100 pixels by 100 pixels. A blue box that is 300 pixels by 400 pixels. It should also have a 2px solid red border. A green box that is 250 pixels by 600 pixels. It should also have a border-radius of 6px. Create an h1 tag that has a width of 400 pixels. Its text should be centered and its color should be white. Create an h2 tag that has a width of 800 pixels. Its text should be aligned to the right and its color should be orange. The HTML should have a background color of "rebeccapurple". Remove the white border that's there by default on your webpage (research challenge)